and the fbi, as you know, interviewed tamerlan tsarnaev and family members and at the time did not find any terrorism activity, domestic or foreign. overallof the investigation into these two individuals, into the bombings in boston and obviously the events later in watertown, there will be a whole picture i put together to find out exactly what led to these bombings, the motivations that were behind them, any associations that may have existed if they did. and that is part of the process that's being undertaken now, now that these suspects -- one is obviously deceased and one is in custody -- there is a process underway to thoroughly investigate the whole matter. >> and as that picture is being painted and put together at this stage, is there any indication at all that, looking back on it now, there are some things that pointed to what happened? >> well, i would point you to the statement the fbi made and that i just repeated, which is, looking back on it now at this time, the fbi did thoroughly investigate this matter when it received information from a foreign government and went thr